package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutiFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    /*
    * 插入菜品数据
    * */
    @AutiFill(value = OperationType.INSERT)
    void insert(Dish dish);

    /*
     * 菜品分页查询
     * */
    Page<DishVO> PageQuery(DishPageQueryDTO dishPageQueryDTO);

    /*
    * 根据主键查询菜品
    * */
    @Select("select * from dish where id=#{id}")
    Dish getById(Long id);
    /*
     * 根据主键删除菜品数据
     * */
    @Delete("delete from dish where id=#{id}")
    void deleteById(Long id);

    /*
     * 根据菜品id集合批量删除
     * */
    void deleteByIds(List<Long> ids);
    /*
     * 根据菜品id动态修改
     * */
    @AutiFill(OperationType.UPDATE)//动态填充是填充到dish实体里面，然后dish实体通过mapper传入数据库，所以语句里面还是要写这些
    void updateById(Dish dish);
}
